12
①
Power interface: connect with DC12/2A power.
②
Communication interface
：
connect with the IP network HD recording host.
③
Analog audio input interface: output analog audio, connect with DVR or IP camera.
④
External window intercom interface.
【
External window intercom
】
①
Loudspeaker/MIC
：
Loudspeaker
：
amplify the local intercom audio
；
MIC
：
pick up the local intercom audio
；
②
Internal window intercom interface
Packing list
Window intercom system include following accessories, please check following parts, please contact with distributor if any
parts are missing.
（
1
）
Internal window intercom 1 set
（
2
）
External window intercom 1 set
14
